Plunger type volumetric pump, transparent resin tank.Manual operation, store grease when the handle is pulled out, and drain grease when pushing the handle. Small size, easy to install and use.KZ-104/KZ-110 has no unloading function, and is connected with damped grease distributor and damped grease fittings matching.KZ -P104 /KZ-P110 has manual unloading function, and pressurized and pressure-relieving quantitative grease Matching kit.